An airplane descended 4000 feet before landing. the integer that represents how many feet the air plane was above the ground before it descent is

Plzz ! if you were constructing a triangular frame, and you had wood in the length of 4 inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no? = explain your mathematical thinking/show your work:

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.

Fran has 7 sheets of paper for a coloring project. if she only uses 1/3of a sheet of paper per draing how many drawings can ahe make?